package com.boyunv.observer.example01;
/*
 *@description
 * 具体的观察者
 *@author boyunv
 *@create 2023/8/11 7:37
 *@version 1.0
 */

public class ConcreteObserver2 implements Observer{
 @Override
 public void update() {
  System.out.println("ConcreteObserver2  得到通知,更新状态!!!");
 }
}
